UPC-26TDHR4-1 - Unico SmartDuct, TFS, 2x12', R4, Double Barrier (1 PCS)

Ships in 25x25x6 inch pkg; 6 lbs 

Description:

• This is our sound attenuator flexible duct
• 2" inside diameter 4" outside diameter
• Insulated to R4 with 2 vapor barriers
• They come in a box quantity of 1 - 12' length with our Twist-Fit connectors on each end